4 cleaning the pump hose – Watson-Marlow DuCoNite 25 User Manual
Page 30
MAINTENANCE
30
7.3
Additional maintenance in potentially
explosive environments
The following maintenance scheme shows the
additional maintenance and periodic inspections that
need to be carried out on the hose pump to guarantee
an optimal safety, operation and life of the pump in a
potentially explosive environment.
7.4
Cleaning the pump hose
The inside of the pump hose can be easily cleaned by
rinsing the pump with clean water. If a cleaning fluid is
added to the water, check if the hose liner material is
resistant to it. Also check if the pump hose can resist
the cleaning temperature. Special cleaning balls are
also available. Contact your Bredel representative for
more details.
11
Check the wear ring.
When the pump seal is
replaced, check the run-
ning surface of the wear
ring for excessive wear.
For replacement, contact
your Bredel representa-
tive.
12
Replace the pressing
shoes.
Wear on the running sur-
face.
See §
13
Replace the bearings.
If necessary.
See §
Point
Action
To be carried out
Remark
Point
Action
To be carried out
Remark
1
Replacing bearings.
According to ATEX regu-
lations after 40,000 hrs.
service or when dam-
age is suspected.
See §
2
Cleaning the hose
pump.
In potentially explosive
(dust) atmospheres, the
dust must be removed
regularly.